/**
* Gets a <tt>Content</tt> of this <tt>Conference</tt> which has a specific name. If a
* <tt>Content</tt> of this <tt>Conference</tt> with the specified <tt>name</tt> does not exist at
* the time the method is invoked, the method initializes a new <tt>Content</tt> instance with the
* specified <tt>name</tt> and adds it to the list of <tt>Content</tt>s of this
* <tt>Conference</tt>.
*
* @param name the name of the <tt>Content</tt> which is to be returned
* @return a <tt>Content</tt> of this <tt>Conference</tt> which has the specified <tt>name</tt>
*/
public Content getOrCreateContent(String name) {
Content content;
synchronized (contents) {
for (Content aContent : contents) {
if (aContent.getName().equals(name)) {
aContent.touch(); // It seems the content is still active.
return aContent;
}
}
content = new Content(this, name);
if (isRecording()) {
content.setRecording(true, getRecordingPath());
}
contents.add(content);
}
if (logger.isInfoEnabled()) {
/*
* The method Videobridge.getChannelCount() should better be
* executed outside synchronized blocks in order to reduce the risks
* of causing deadlocks.
*/
Videobridge videobridge = getVideobridge();
logger.info(
"Created content "
+ name
+ " of conference "
+ getID()
+ ". "
+ videobridge.getConferenceCountString());
}
return content;
}
/**
* Attempts to enable or disable media recording for this <tt>Conference</tt>.
*
* @param recording whether to enable or disable recording.
* @return the state of the media recording for this <tt>Conference</tt> after the attempt to
* enable (or disable).
*/
public boolean setRecording(boolean recording) {
if (recording != this.recording) {
if (recording) {
// try enable recording
if (logger.isDebugEnabled()) {
logger.debug("Starting recording for conference with id=" + getID());
}
String path = getRecordingPath();
boolean failedToStart = !checkRecordingDirectory(path);
if (!failedToStart) {
RecorderEventHandler handler = getRecorderEventHandler();
if (handler == null) failedToStart = true;
}
if (!failedToStart) {
EndpointRecorder endpointRecorder = getEndpointRecorder();
if (endpointRecorder == null) {
failedToStart = true;
} else {
for (Endpoint endpoint : getEndpoints()) endpointRecorder.updateEndpoint(endpoint);
}
}
/*
* The Recorders of the Contents need to share a single
* Synchronizer, we take it from the first Recorder.
*/
boolean first = true;
Synchronizer synchronizer = null;
for (Content content : contents) {
MediaType mediaType = content.getMediaType();
if (!MediaType.VIDEO.equals(mediaType) && !MediaType.AUDIO.equals(mediaType)) {
continue;
}
if (!failedToStart) failedToStart = !content.setRecording(true, path);
if (failedToStart) break;
if (first) {
first = false;
synchronizer = content.getRecorder().getSynchronizer();
} else {
Recorder recorder = content.getRecorder();
if (recorder != null) recorder.setSynchronizer(synchronizer);
}
content.feedKnownSsrcsToSynchronizer();
}
if (failedToStart) {
recording = false;
logger.warn("Failed to start media recording for conference " + getID());
}
}
// either we were asked to disable recording, or we failed to
// enable it
if (!recording) {
if (logger.isDebugEnabled()) {
logger.debug("Stopping recording for conference with id=" + getID());
}
for (Content content : contents) {
MediaType mediaType = content.getMediaType();
if (MediaType.AUDIO.equals(mediaType) || MediaType.VIDEO.equals(mediaType)) {
content.setRecording(false, null);
}
}
if (recorderEventHandler != null) recorderEventHandler.close();
recorderEventHandler = null;
recordingPath = null;
recordingDirectory = null;
if (endpointRecorder != null) endpointRecorder.close();
endpointRecorder = null;
}
this.recording = recording;
}
return this.recording;
}
